function Book()
{
  this.uuid = '';
  this.publisher = '';
  this.rating = '';
  this.isbn = '';
  this.title = '';
  this.authors = [];
  this.tags = [];
  this.comments = '';
  this.series = '';
  this.seriesIndex = '';
}

function ApplicationSettings() {
  this.importType = '';
  this.importUrl = '';
  this.lastImportUrl = '';
  this.lastImportTime = '';
}